﻿#region ... Copyright Notice ...
/*
   Copyright 2008 Tyler Jensen

	Author: Tyler Jensen    http://www.tsjensen.com/blog

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using Atrax.Contracts;
using Atrax.Library;
using Atrax.Consumers;
using Atrax.Security;
using Atrax.Logging;

namespace Atrax.Master
{
	public class Service : IMasterService
	{
		public QueryResponse Execute(Query query)
		{
			//validate authentication token
			KeyManager km = new KeyManager();
			if (km.IsValidAuthenticationToken(query.Header.AuthenticationToken))
			{
				return QueryController.EnqueRequest(query);
			}
			else
			{
				return new QueryResponse()
				{
					StatusCode = "551",
					StatusDescription = "Invalid authentication token.",
					ValidationResult = new QueryValidationResult()
					{
						IsValid = false,
						ValidationReport = string.Empty
					}
				};
			}
		}

		public string GetSampleRequest(Query query)
		{
			//1. validate authentication token
			KeyManager km = new KeyManager();
			if (km.IsValidAuthenticationToken(query.Header.AuthenticationToken))
			{
				IQueryProcessor processor = ProcessorFactory.Create(query.Header.QueryType);
				if (processor == null)
					return "Error: Unable to load query processor.";
				else
					return processor.GetSampleQueryRequest();
			}
			else
			{
				return "Error: Invalid authentication token.";
			}
		}

		public void ReportResult(SpiderResult result)
		{
			SpiderCallbackProcessor cb = new SpiderCallbackProcessor();
			CallbackManagedThreadPool.QueueUserWorkItem(cb.ThreadPoolCallback, result);
			Log.App(LogEvents.SpiderCallbackReceived, "queryid=" + result.QueryId + " | spiderqueryid=" 
				+ result.SpiderQueryId + " | statuscode=" + result.Response.StatusCode);
		}

		public MasterStatus GetStatus(string authenticationToken)
		{
			return QueryController.GetStatusReport();
		}

		public void KillQuery(string queryId, string authenticationToken)
		{
			throw new NotImplementedException();
		}
	}
}
